Igneous Rocks

Question 1

Fill in the blanks to complete each statement about igneous rock formation. rocks form when ⇒ magma cools below Earth’s surface. ⇒ Extrusive rocks form when ⇒ lava cools on Earth’s surface.

Revolt · Accepted Answer

: Intrusive; ⇒ magma: 138070; ⇒ Extrusive: 138071; ⇒ lava: 138072

Question 2

Question 2

Revolt · Accepted Answer

138073

Question 3

Question 3

Revolt · Accepted Answer

138074

Question 4

Which characteristics of rocks are used in classification? Check all that apply.

Revolt · Accepted Answer

A: origin; B: texture; C: composition

Question 5

Which characteristics would one expect to find when studying the cooled lava?

Revolt · Accepted Answer

B: small crystals and fine texture

Question 6

Which characteristics describe this rock sample? Check all that apply.

Revolt · Accepted Answer

A: large crystals; B: coarse texture; E: evidence of slow cooling

Question 7

Which characteristics describe this rock sample? Check all that apply.

Revolt · Accepted Answer

A: evidence of rapid cooling; C: small crystals; E: smooth texture

Question 8

⇒ magma

Revolt · Accepted Answer

138070

Question 9

⇒ Extrusive

Revolt · Accepted Answer

138071

Question 10

⇒ lava

Revolt · Accepted Answer

138072

Igneous Rocks Answers

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